In the present work, we present an explicit analytical solution for calculating the flexural and interfacial behavior of beams strengthened by prestressed bonded plates. Unlike existing approaches, our method comprehensively integrates shear-lag deformations from both the beam and the plate, thus providing a more accurate prediction of critical interfacial stresses and overall composite behavior. A parametric analysis was conducted to examine how variations in parameters such as prestress force and the geometric and mechanical characteristics of the reinforcement plate impact the behavior of the interface. These variations were found to significantly influence the maximum shear and normal stress within the composite element.
Abdelghani Brahimi: Department of Civil Engineering, Faculty of Science and Technology, University of Naama, 45000, Algeria; Artificial Intelligence Laboratory for Mechanical and Civil Structures, and Soil, University of Naama,
45000, Algeria
Boucif Guenaneche: Department of Civil Engineering, Faculty of Science and Technology, University of Ain Temouchent,
46000, Algeria
Okkacha Youb: Scientific and Technical Research Centre on Arid Regions (CRSTRA), Omar el Bernaoui, BP 1682 ,07000 Biskra, Algeria
Sidi Mohamed Bennaceur: Department of Civil Engineering, Faculty of Science and Technology, University of Naama, 45000, Algeria; Artificial Intelligence Laboratory for Mechanical and Civil Structures, and Soil, University of Naama, 45000, Algeria
Khaled Amara: Department of Civil Engineering, Faculty of Science and Technology, University of Ain Temouchent,
46000, Algeria; Engineering and Sustainable Development Laboratory, Ain Temouchent, 46000, Algeria
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